218217604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{115337}}^1$

素因数の和:115395

約数の個数: 24

約数和(自身を含む): 426289248

約数和(自身を除く): 208071644

約数列:

[1, 2, 4, 11, 22, 43, 44, 86, 172, 473, 946, 1892, 115337, 230674, 461348, 1268707, 2537414, 4959491, 5074828, 9918982, 19837964, 54554401, 109108802, 218217604]

約数ペア:

[(1, 218217604), (2, 109108802), (4, 54554401), (11, 19837964), (22, 9918982), (43, 5074828), (44, 4959491), (86, 2537414), (172, 1268707), (473, 461348), (946, 230674), (1892, 115337)]